80064215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 126904320

約数和(自身を除く): 46840105

約数列:

[1, 5, 7, 11, 29, 35, 55, 71, 77, 101, 145, 203, 319, 355, 385, 497, 505, 707, 781, 1015, 1111, 1595, 2059, 2233, 2485, 2929, 3535, 3905, 5467, 5555, 7171, 7777, 10295, 11165, 14413, 14645, 20503, 22649, 27335, 32219, 35855, 38885, 50197, 72065, 78881, 102515, 113245, 158543, 161095, 207959, 225533, 250985, 394405, 552167, 792715, 1039795, 1127665, 1455713, 2287549, 2760835, 7278565, 11437745, 16012843, 80064215]

約数ペア:

[(1, 80064215), (5, 16012843), (7, 11437745), (11, 7278565), (29, 2760835), (35, 2287549), (55, 1455713), (71, 1127665), (77, 1039795), (101, 792715), (145, 552167), (203, 394405), (319, 250985), (355, 225533), (385, 207959), (497, 161095), (505, 158543), (707, 113245), (781, 102515), (1015, 78881), (1111, 72065), (1595, 50197), (2059, 38885), (2233, 35855), (2485, 32219), (2929, 27335), (3535, 22649), (3905, 20503), (5467, 14645), (5555, 14413), (7171, 11165), (7777, 10295)]